Integrand size = 22, antiderivative size = 413 \[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=-\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \operatorname {PolyLog}\left (3,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}} \]
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Time = 0.35 (sec) , antiderivative size = 413, normalized size of antiderivative = 1.00, number of steps used = 12, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.545, Rules used = {5901, 5899, 5913, 3797, 2221, 2611, 2320, 6724, 5912, 5914, 5900, 266} \[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {a x-1} \sqrt {a x+1} \operatorname {PolyLog}\left (3,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}-\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {a x-1} \sqrt {a x+1} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {\sqrt {a x-1} \sqrt {a x+1} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}} \]
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Rule 266
Rule 2221
Rule 2320
Rule 2611
Rule 3797
Rule 5899
Rule 5900
Rule 5901
Rule 5912
Rule 5913
Rule 5914
Rule 6724
Rubi steps \begin{align*} \text {integral}& = \frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{3/2}} \, dx}{3 c}+\frac {\left (a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)^2}{(-1+a x)^2 (1+a x)^2} \, dx}{c^2 \sqrt {c-a^2 c x^2}} \\ & = \frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)^2}{\left (-1+a^2 x^2\right )^2} \, dx}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (2 a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x \text {arccosh}(a x)^2}{1-a^2 x^2} \, dx}{c^2 \sqrt {c-a^2 c x^2}} \\ & = \frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {\text {arccosh}(a x)}{(-1+a x)^{3/2} (1+a x)^{3/2}} \, dx}{c^2 \sqrt {c-a^2 c x^2}}-\frac {\left (2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int x^2 \coth (x) \, dx,x,\text {arccosh}(a x)\right )}{a c^2 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (4 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {e^{2 x} x^2}{1-e^{2 x}} \, dx,x,\text {arccosh}(a x)\right )}{a c^2 \sqrt {c-a^2 c x^2}}-\frac {\left (a \sqrt {-1+a x} \sqrt {1+a x}\right ) \int \frac {x}{1-a^2 x^2} \, dx}{c^2 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (4 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int x \log \left (1-e^{2 x}\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (2 \sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \operatorname {PolyLog}\left (2,e^{2 x}\right ) \, dx,x,\text {arccosh}(a x)\right )}{a c^2 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\left (\sqrt {-1+a x} \sqrt {1+a x}\right ) \text {Subst}\left (\int \frac {\operatorname {PolyLog}(2,x)}{x} \, dx,x,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}} \\ & = -\frac {x \text {arccosh}(a x)}{c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2}{2 a c^2 \left (1-a^2 x^2\right ) \sqrt {c-a^2 c x^2}}+\frac {x \text {arccosh}(a x)^3}{3 c \left (c-a^2 c x^2\right )^{3/2}}+\frac {2 x \text {arccosh}(a x)^3}{3 c^2 \sqrt {c-a^2 c x^2}}+\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^3}{3 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \log \left (1-a^2 x^2\right )}{2 a c^2 \sqrt {c-a^2 c x^2}}-\frac {2 \sqrt {-1+a x} \sqrt {1+a x} \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}}+\frac {\sqrt {-1+a x} \sqrt {1+a x} \operatorname {PolyLog}\left (3,e^{2 \text {arccosh}(a x)}\right )}{a c^2 \sqrt {c-a^2 c x^2}} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.90 (sec) , antiderivative size = 270, normalized size of antiderivative = 0.65 \[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\frac {\sqrt {\frac {-1+a x}{1+a x}} (1+a x) \left (-i \pi ^3-\frac {12 a x \sqrt {\frac {-1+a x}{1+a x}} \text {arccosh}(a x)}{-1+a x}+\frac {6 \text {arccosh}(a x)^2}{1-a^2 x^2}+8 \text {arccosh}(a x)^3+\frac {8 a x \sqrt {\frac {-1+a x}{1+a x}} \text {arccosh}(a x)^3}{-1+a x}-\frac {4 a x \left (\frac {-1+a x}{1+a x}\right )^{3/2} \text {arccosh}(a x)^3}{(-1+a x)^3}-24 \text {arccosh}(a x)^2 \log \left (1-e^{2 \text {arccosh}(a x)}\right )+12 \log (a x)+12 \log \left (\frac {\sqrt {\frac {-1+a x}{1+a x}} (1+a x)}{a x}\right )-24 \text {arccosh}(a x) \operatorname {PolyLog}\left (2,e^{2 \text {arccosh}(a x)}\right )+12 \operatorname {PolyLog}\left (3,e^{2 \text {arccosh}(a x)}\right )\right )}{12 a c^2 \sqrt {c-a^2 c x^2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. \(954\) vs. \(2(400)=800\).
Time = 1.32 (sec) , antiderivative size = 955, normalized size of antiderivative = 2.31
method | result | size |
default | \(-\frac {\sqrt {-c \left (a^{2} x^{2}-1\right )}\, \left (2 a^{3} x^{3}-3 a x -2 a^{2} x^{2} \sqrt {a x -1}\, \sqrt {a x +1}+2 \sqrt {a x -1}\, \sqrt {a x +1}\right ) \operatorname {arccosh}\left (a x \right ) \left (6 a^{3} x^{3} \operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}+6 a^{4} x^{4} \operatorname {arccosh}\left (a x \right )+6 a^{3} x^{3} \sqrt {a x -1}\, \sqrt {a x +1}+6 a^{4} x^{4}+6 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )^{2}-9 a x \,\operatorname {arccosh}\left (a x \right ) \sqrt {a x -1}\, \sqrt {a x +1}-12 a^{2} x^{2} \operatorname {arccosh}\left (a x \right )-6 \sqrt {a x -1}\, \sqrt {a x +1}\, a x -18 a^{2} x^{2}-8 \operatorname {arccosh}\left (a x \right )^{2}+6 \,\operatorname {arccosh}\left (a x \right )+12\right )}{6 \left (3 a^{6} x^{6}-10 a^{4} x^{4}+11 a^{2} x^{2}-4\right ) c^{3} a}-\frac {\sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \ln \left (\sqrt {a x -1}\, \sqrt {a x +1}+a x -1\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}-\frac {\sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}+\frac {2 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \ln \left (a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}-\frac {4 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right )^{3}}{3 c^{3} a \left (a^{2} x^{2}-1\right )}+\frac {2 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right )^{2} \ln \left (1+a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}+\frac {4 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}-\frac {4 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {polylog}\left (3, -a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}+\frac {2 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right )^{2} \ln \left (1-a x -\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}+\frac {4 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {arccosh}\left (a x \right ) \operatorname {polylog}\left (2, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}-\frac {4 \sqrt {a x +1}\, \sqrt {a x -1}\, \sqrt {-c \left (a^{2} x^{2}-1\right )}\, \operatorname {polylog}\left (3, a x +\sqrt {a x -1}\, \sqrt {a x +1}\right )}{c^{3} a \left (a^{2} x^{2}-1\right )}\) | \(955\) |
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\[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{3}}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}}} \,d x } \]
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\[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\int \frac {\operatorname {acosh}^{3}{\left (a x \right )}}{\left (- c \left (a x - 1\right ) \left (a x + 1\right )\right )^{\frac {5}{2}}}\, dx \]
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\[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\int { \frac {\operatorname {arcosh}\left (a x\right )^{3}}{{\left (-a^{2} c x^{2} + c\right )}^{\frac {5}{2}}} \,d x } \]
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Exception generated. \[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\text {Exception raised: TypeError} \]
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Timed out. \[ \int \frac {\text {arccosh}(a x)^3}{\left (c-a^2 c x^2\right )^{5/2}} \, dx=\int \frac {{\mathrm {acosh}\left (a\,x\right )}^3}{{\left (c-a^2\,c\,x^2\right )}^{5/2}} \,d x \]
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